Week: 4/29/2011 - 4/26/2011 Welcome to the weekly roundup of sci-fi wallpapers. These backgrounds are among the best I was able to scrounge from around the web. Let us know what you think in the comments!

If you want sci-fi wallpapers then take a look at this list (updated weekly). Additionally, you can check out our "best sci-fi wallpapers of the week" posts for the newest updates.